No. People say precious rain because it waters their plants.

this is so precious

precious-

(of an object, substance, or resource) Of great value; not to be wasted or treated carelessly.

(adjective)

The word "precious" can be translated to Malayalam as "മൂല്യയുള്ള" (moolyayullaa).

Precious mem'ries, unseen angels

Sent from somewhere to my soul

How they linger, ever near me

As the sacred past unfold.

Precious mem'ries, how they linger

How they ever flood my soul

In the stillness of the midnight

Precious, sacred scenes unfold.

As I travel on life's pathway

I know not what the years may hold

And as I ponder, hope grows fonder

Precious mem'ries floods my soul.

Precious mem'ries how they linger

How they ever flood my soul

In the stillness of the midnight

Precious, sacred scenes unfold...

Platinum, a precious metal, is used in catalytic converters.